{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"da00e03f51f1","name":"PISTON KIT/4 KAW KZ10R C 13:1, WOSSNER K8746D200-4 O/S 2.00","sku":"56-W9808.78.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":841.02,"formatted":"£841.02"},"summary":"Wossner 78mm bore piston kit. This kit includes piston rings and gudgeon pins. The piston is forged and made in Germany. Engineered to provide superior strength and design, it facilitates optimal combustion chamber heat transfer to cylinder walls. The elliptical design ensures a uniform bearing surface under piston heat expansion, eliminating localized pressure and evenly distributing thrust loads to prevent piston collapse. This kit is an overbore of 2.00mm, resulting in a 13:1 compression ratio. Display volume is 998 / 1051 cm3. Hub stroke is 55.00mm. Clearance is 0.06mm. Wossner compression ratio is 13.40:1. OEM compression ratio is 12.70:1. Dome volume is -1.80 cm3. Compression height is 22.70mm. Piston part number K8746D200-4. Lock P/N CW17. Pin P/N WP038. Ring Set P/N 780XWY.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"258790"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9808_2E78_2EWO/019a2db2914562be.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9808_2E78_2EWO/019a2db2914562be.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9808_2E78_2EWO/f46704fe5eb2c9c8.jpg"],"description":"Wossner 78mm bore piston kit. This kit includes piston rings and gudgeon pins. The piston is forged and made in Germany. Engineered to provide superior strength and design, it facilitates optimal combustion chamber heat transfer to cylinder walls. The elliptical design ensures a uniform bearing surface under piston heat expansion, eliminating localized pressure and evenly distributing thrust loads to prevent piston collapse. This kit is an overbore of 2.00mm, resulting in a 13:1 compression ratio. Display volume is 998 / 1051 cm3. Hub stroke is 55.00mm. Clearance is 0.06mm. Wossner compression ratio is 13.40:1. OEM compression ratio is 12.70:1. Dome volume is -1.80 cm3. Compression height is 22.70mm. Piston part number K8746D200-4. Lock P/N CW17. Pin P/N WP038. Ring Set P/N 780XWY.","descriptionMarkdown":"### Wossner Forged Piston Kit +2.00mm Oversize\n\n This Wossner piston kit is designed for high-performance applications, featuring a 78mm bore and a +2.00mm oversize. Wossner forged pistons are engineered for superior strength and optimal combustion chamber heat transfer to cylinder walls, preventing hot spots on piston crowns. The elliptical design ensures uniform bearing surface under piston heat expansion, distributing thrust loads evenly and preventing piston collapse.\n\n This kit includes all necessary piston rings and gudgeon pins.\n\n \n- Superior strength and design\n \n- Engineered for efficient heat transfer\n \n- Elliptically designed for even load distribution\n \n- Prevents localized pressure and piston collapse\n \n- Made in Germany\n\n **Key Specifications:**\n\n \n- Piston Bore: 78mm\n \n- Oversize: +2.00mm\n \n- Wossner Compression Ratio: 13.40:1\n \n- OEM Compression Ratio: 12.70:1\n \n- Dome Volume: -1.80 cm3\n \n- Compression Height: 22.70mm\n \n- Piston Pin Part Number: WP038\n \n- Ring Set Part Number: 780XWY","weightGrams":null,"fitments":[],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Pistons & Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/pistons-kits"}],"links":{"page":"https://www.2brosparts.com/products/piston-kit4-kaw-kz10r-c-131-wossner-k8746d200-4-os-200","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/da00e03f51f1:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/da00e03f51f1:1"}},"market":{"country":"GB","countryName":"United Kingdom","locale":"en-gb","currency":"GBP","exchangeRateFromGbp":1,"pricesIncludeUkVat":true,"checkoutTax":null,"delivery":[{"name":"Standard","description":"Orders £15.00–£59.99 · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":4.99,"formatted":"£4.99"},"free":false,"minimumOrder":{"amount":0,"formatted":"£0.00","gbp":0},"weightGrams":null},{"name":"Standard","description":"Orders £60.00 and up · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":0,"formatted":"£0.00"},"free":true,"minimumOrder":{"amount":60,"formatted":"£60.00","gbp":60},"weightGrams":null}],"storeUrl":"https://www.2brosparts.com"},"navigate":{"start":"https://www.2brosparts.com/api/agent","search":"https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus}"},"howToBuy":{"summary":"Build a basket for the shopper and give them one checkout link. Every URL is a plain path (no query string) and a GET. Nothing is stored between calls.","checkoutLinkFormat":"https://www.2brosparts.com/api/agent/checkout/GB/{basketKey}:{quantity},{basketKey}:{quantity}","steps":["1. Find products: follow links in these responses, or fetch https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus} (e.g. https://www.2brosparts.com/api/agent/search/GB/brake+pads). Every product has a basketKey.","2. Optional check: https://www.2brosparts.com/api/agent/basket/GB/{basketKey}:{quantity},{basketKey}:{quantity} returns stock, totals per delivery option and the checkout link.","3. Give the shopper the checkout link. Opening it fills their basket with exactly these items (replacing what was there) and opens checkout for United Kingdom. They pay on 2brosparts.com through Stripe."],"noFetchNeeded":"You can write the checkout link yourself from basketKeys and quantities; nothing has to be fetched first. Each product also has links.buyOneNow, a ready link for one unit.","stateless":"Nothing is saved on our side. The items part of the URL is the whole basket: to change it, write the link again with the new list.","itemsFormat":"basketKey:quantity pairs joined by commas, e.g. 04f24aad4d68:2,7c1e9a0b3f2d:1. Quantity defaults to 1. Up to 50 products, 100 each.","country":"GB is the shopper's delivery country. Swap it for theirs (US, DE, FR…) in any URL; currency, tax and delivery follow it.","tips":["Put everything the shopper wants in one link.","Optionally add your name as a last path segment on checkout links (…/checkout/GB/<items>/claude) so the sale is credited to you.","The checkout link is for the shopper's browser. Do not open it yourself.","Signed-in trade account holders see their trade prices at checkout."]}}